/* --- View Transitions Opt-in (Assigned Technique) --- */
@view-transition {
  navigation: auto;
}


:root {
  --ground: #e9edf1;
  --surface: #dadee3;
  --surface-2: #c7ccd2;
  --line: #a5aaae;
  --ink-soft: #4a4d51;
  --ink: #27292b;
  --accent: #2f7f8a;
  --accent-ink: #fff;


  --mote-2ab: "Space Grotesk", "Space Grotesk Fallback", -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --mote-b5a: 'Crimson Pro', 'Crimson Pro Fallback', Garamond, 'EB Garamond', Georgia, serif;
  --mote-7b4: 'Space Mono', 'Space Mono Fallback', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;


  --step--1: clamp(0.8125rem, 0.79rem + 0.12vw, 0.875rem);
  --mote-48e: clamp(1rem, 0.97rem + 0.16vw, 1.125rem);
  --mote-5ad: clamp(1.1875rem, 1.12rem + 0.35vw, 1.375rem);
  --mote-7d1: clamp(1.4375rem, 1.33rem + 0.58vw, 1.75rem);
  --mote-2d4: clamp(1.75rem, 1.57rem + 0.92vw, 2.25rem);
  --mote-89e: clamp(2.125rem, 1.86rem + 1.4vw, 2.875rem);
  --mote-6bd: clamp(2.5rem, 2.15rem + 2.1vw, 3.75rem);
  --step-hero: clamp(2.75rem, 2.2rem + 3.2vw, 4.75rem);


  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;

  --space-xs: 0.75rem;
  --space-s: 1rem;
  --space-m: 1.5rem;
  --space-l: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;


  /* Layout Primitives */
  --grid-max: 1440px;
  --measure-prose: 65ch;
  --dock-height: 64px;
  --masthead-height: 120px;
  --border-hairline: 1px solid var(--line);


  /* Motion Tokens */
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --dur-fast: 140ms;
  --dur-medium: 260ms;
  --dur-slow: 420ms;
}


*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0;
}


html {
  background-color: var(--ground);
  color: var(--ink);
  font-size: 100%;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scroll-padding-top: 1rem;
}


body {
  background-color: var(--ground);
  color: var(--ink);
  font-family: var(--mote-b5a);
  font-size: var(--mote-48e);
  font-weight: 400;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: var(--dock-height);
  overflow-x: hidden;
}


@media (min-width: 1024px) {
  body {
    padding-bottom: 0;
  }
}


button,
input,
optgroup,
select,
textarea {
  font: inherit;
  color: inherit;
  letter-spacing: inherit;
}


img,
picture,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}


/* Typography Hierarchy */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--mote-2ab);
  font-weight: 700;
  line-height: 1.15;
  color: var(--ink);

  letter-spacing: -0.02em;
  text-wrap: balance;
  overflow-wrap: break-word;
  hyphens: manual;
}


h1 {
  font-size: var(--step-hero);
  margin-block-end: var(--space-s);
}


h2 {
  font-size: var(--mote-89e);
  margin-block-end: var(--space-s);
}


h3 {
  font-size: var(--mote-7d1);
  margin-block-end: var(--space-xs);
}


h4 {
  font-size: var(--mote-5ad);
  margin-block-end: var(--space-2xs);
}


p {
  max-width: var(--measure-prose);
  margin-block-end: var(--space-m);
}


p:last-child {
  margin-block-end: 0;
}


.lede {
  font-size: var(--mote-5ad);
  line-height: 1.45;
  color: var(--ink);
  max-width: 58ch;
}


.caption,
figcaption {
  font-family: var(--mote-7b4);
  font-size: var(--step--1);
  line-height: 1.4;
  color: var(--ink-soft);
  letter-spacing: -0.01em;
}


.meta-numeral {
  font-family: var(--mote-7b4);
  font-variant-numeric: tabular-nums;
}


a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--dur-fast) var(--ease-standard),
              text-decoration-color var(--dur-fast) var(--ease-standard);
}


a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}


a:active {
  color: var(--ink);
}


a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}


strong,
b {
  font-weight: 600;
}


em,
i {
  font-style: italic;
}


hr {
  border: 0;
  border-top: var(--border-hairline);
  margin-block: var(--space-xl);
}


/* Icon Sprites */
.icon {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
  flex-shrink: 0;
  vertical-align: middle;
}


.site-wrapper {
  width: 100%;
  max-width: var(--grid-max);
  margin-inline: auto;
  padding-inline: var(--space-s);
}


@media (min-width: 768px) {
  .site-wrapper {
    padding-inline: var(--space-m);
  }
}


@media (min-width: 1200px) {
  .site-wrapper {
    padding-inline: var(--space-xl);
  }
}


.grid-modular {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-m);
}


@media (min-width: 768px) {
  .grid-modular {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}


@media (min-width: 1024px) {
  .grid-modular {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--space-l);
  }
}


/* Visually Hidden Utility for Honeypots & Screen Readers */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}


.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-s);
  background: var(--ink);
  color: var(--ground);
  font-family: var(--mote-7b4);
  font-size: var(--step--1);
  padding: var(--space-xs) var(--space-s);
  z-index: 9999;
  text-decoration: none;
  border: 1px solid var(--accent);
  transition: top var(--dur-fast) var(--ease-standard);
}


.skip-link:focus {
  top: var(--space-s);
  outline: 2px solid var(--accent);
}


/* View Transitions Rules */
@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation-duration: var(--dur-medium);
    animation-timing-function: var(--ease-standard);
  }


  ::view-transition-old(hero-headline),
  ::view-transition-old(page-headline) {
    animation: var(--dur-fast) var(--ease-in-out) both vt-fade-out;
  }


  ::view-transition-new(hero-headline),
  ::view-transition-new(page-headline) {
    animation: var(--dur-medium) var(--ease-standard) both vt-fade-in;
  }


  ::view-transition-old(hero),
  ::view-transition-new(hero),
  ::view-transition-old(hero-plate),
  ::view-transition-new(hero-plate) {
    animation-duration: var(--dur-slow);
    animation-timing-function: var(--ease-standard);
  }


  @keyframes vt-fade-out {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-4px); }
  }


  @keyframes vt-fade-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
  }
}


@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}